const runtime.traceBlockChanSend

3 uses

	runtime (current package)
		chan.go#L283: 	gopark(chanparkcommit, unsafe.Pointer(&c.lock), reason, traceBlockChanSend, 2)
		traceruntime.go#L95: 	traceBlockChanSend
		traceruntime.go#L115: 	traceBlockChanSend:           "chan send",

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)